Home / 534,739.07-737,939.91-308,384.57

Finding the Fourth Proportional to 534,739.07, 737,939.91 and 308,384.57

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Solution

The fourth proportional to 534,739.07, 737,939.91 and 308,384.57 is: 425,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,739.07 : 737,939.91 = 308,384.57 : x
  2. Step 2: Convert to fraction form
    534,739.07/737,939.91 = 308,384.57/x
  3. Step 3: Cross multiply
    534,739.07x = 737,939.91 × 308,384.57
  4. Step 4: Simplify right side
    534,739.07x = 227,569,278,141.49
  5. Step 5: Solve for x
    x = 227,569,278,141.49/534,739.07
  6. Step 6: Final answer
    x = 425,570.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.